20A Smart Car Battery Charger 12V/24V Trickle Charger Maintainer BlackThis 20-amp smart battery charger handles both 12V and 24V batteries with automatic voltage detection. The intelligent system recognizes battery type and adjusts charging accordingly, making it compatible with lead-acid batteries including AGM, GEL, SLA, flooded, and EFB types, as well as LiFePO4 lithium batteries. Five manual current settings let you choose 2A, 6A, 10A, 15A, or 20A for optimal charging control. A 200-second booster mode provides emergency quick charging for depleted lead-acid batteries. Built-in pulse repair technology helps restore performance in older or stratified batteries, while the cooling fan prevents overheating during high-amp charging.Itemweight2.05 poundsProductdimensions2.8 x 3.7 x 7.4 inchesColorblackManufacturer